$ git clone -n https://src.fedoraproject.org/rpms/R-downlit.git /var/lib/mock/f39-build-1570351-37762/root/chroot_tmpdir/scmroot/R-downlit
Cloning into '/var/lib/mock/f39-build-1570351-37762/root/chroot_tmpdir/scmroot/R-downlit'...
$ git fetch origin 226c2f0bfc02710d6bae13e79eff599ad75b499e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-downlit
 * [new ref]         226c2f0bfc02710d6bae13e79eff599ad75b499e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 226c2f0 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild